1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
R"(
// Copyright (c) 2010-2026, Lawrence Livermore National Security, LLC. Produced
// at the Lawrence Livermore National Laboratory. All Rights reserved. See files
// LICENSE and NOTICE for details. LLNL-CODE-443271.
//
// This file is part of the GLVis visualization tool and library. For more
// information and source code availability see https://glvis.org.
//
// GLVis is free software; you can redistribute it and/or modify it under the
// terms of the BSD-3 license. We welcome feedback and contributions, see file
// CONTRIBUTING.md for details.
attribute vec3 vertex;
attribute vec2 textVertex;
attribute vec4 color;
attribute vec3 normal;
attribute vec2 texCoord0;
uniform bool containsText;
uniform bool useColorTex;
uniform mat4 modelViewMatrix;
uniform mat4 projectionMatrix;
uniform mat4 textProjMatrix;
uniform mat3 normalMatrix;
uniform vec4 clipPlane;
varying vec4 fColor;
varying float fClipCoord;
uniform sampler2D colorTex;
uniform sampler2D alphaTex;
void main()
{
vec4 pos = modelViewMatrix * vec4(vertex, 1.0);
vec3 eye_normal = normalize(normalMatrix * normal);
fColor = color * texture2DLod(colorTex, vec2(texCoord0), 0.0);
#ifdef USE_ALPHA
fColor.a = texture2DLod(alphaTex, vec2(texCoord0), 0.0).a;
#else
fColor.a = texture2DLod(alphaTex, vec2(texCoord0), 0.0).r;
#endif
fColor = blinnPhong(pos.xyz, eye_normal, fColor);
// colors normally get clamped after fragment shader stage
fColor = clamp(fColor, 0.0, 1.0);
fClipCoord = dot(vec4(pos.xyz, 1.0), clipPlane);
gl_Position = projectionMatrix * pos;
})"
|
